/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */
package dk.redillusions.jdbc.proxy.statistics;

import java.sql.ResultSet;
import java.sql.SQLException;

import dk.redillusions.jdbc.proxy.IPreparedStatementDelegate;

/**
 * Collects statistics for actions performed on a
 * {@link java.sql.PreparedStatement}.
 * 
 * @author Sune Wettersteen
 * 
 */
public class PreparedStatementStatisticsDelegate extends StatementStatisticsDelegate implements IPreparedStatementDelegate {
    /**
     * Contains statistics about the {@link java.sql.PreparedStatement}.
     */
    private IPreparedStatementStatisticsCollector preparedStatementStatisticsCollector;

    /**
     * Constructor.
     * 
     * @param preparedStatementStatisticsCollector
     *            The {@link IPreparedStatementStatisticsCollector} to report
     *            statistics to
     */
    PreparedStatementStatisticsDelegate(final IPreparedStatementStatisticsCollector preparedStatementStatisticsCollector) {
        super(preparedStatementStatisticsCollector);

        this.preparedStatementStatisticsCollector = preparedStatementStatisticsCollector;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public final boolean execute() throws SQLException {
        this.preparedStatementStatisticsCollector.increaseExecuteInvocations();

        return super.execute();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public final ResultSet executeQuery() throws SQLException {
        this.preparedStatementStatisticsCollector.increaseExecuteQueryInvocations();

        return super.executeQuery();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public final int executeUpdate() throws SQLException {
        this.preparedStatementStatisticsCollector.increaseExecuteUpdateInvocations();

        return super.executeUpdate();
    }

}
